. Analysis of development. Embryology; Embryology. Urinogenital System 481 or seventh day; later treatment has no effect (Stoll, '48; cf. the stabilizing effect of female hormone on male Miillerian ducts). Again there is a critical period after which suscep- tibility is lost. In larval amphibians the Miillerian ducts develop slowly. Treatment with male hor- mone during the backward growth of the duct suppresses the unformed portion, but ferentiation of the glands in larvae of either sex (see Burns, '39; Mintz, '47) and a male type of cloaca. The urinogenital sinus of mammals is de- rived embry
. Analysis of development. Embryology; Embryology. Urinogenital System 481 or seventh day; later treatment has no effect (Stoll, '48; cf. the stabilizing effect of female hormone on male Miillerian ducts). Again there is a critical period after which suscep- tibility is lost. In larval amphibians the Miillerian ducts develop slowly. Treatment with male hor- mone during the backward growth of the duct suppresses the unformed portion, but ferentiation of the glands in larvae of either sex (see Burns, '39; Mintz, '47) and a male type of cloaca. The urinogenital sinus of mammals is de- rived embryologically from the cloaca. In its primitive condition it receives the sex ducts near the neck of the bladder, and opens externally at the base of the genital tubercle. Differentiation in females is characterized by -O^-:... Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Willier, Benjamin H. (Benjamin Harrison), b. 1890. Philadelphia, Saunders
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Keywords: ., bookcentury1900, bookpublisherphiladelphi, booksubjectembryology
